#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
4 bed, 4 bath, 3,858 sqft on 0.43 acres in Mount Bonnell Shores. Austin, TX 78731. $4,850,000. Austin ISD.
Experience exceptional Lake Austin living from this stunning lakeside retreat situated minutes from downtown and ideally positioned at the mouth of Dry Creek inlet with minimal boat traffic. The private two-story boat dock features a party deck on top, and a motorized boat lift to securely store your boat out of the water. Designed for year-round entertaining, the outdoor oasis features a resort-style pool and spa, built-in outdoor kitchen with gas grill, fire pit, a private sandy beach, and expansive lawn leading to the water’s edge that can easily be accessed using the included golf cart. Inside, the lake-facing primary suite captures breathtaking views of Lake Austin, the Bright Leaf Preserve from both the bedroom and its private balcony. There are two ensuite bedrooms sharing the upper level with the primary suite, and a fourth ensuite bedroom on the ground level. This remarkable home offers the perfect blend of privacy, comfort, and unforgettable waterfront living.
Verified property facts
5307 Tortuga TRL is listed at $4,850,000 with 4 bedrooms, 4 full, 2 half bathrooms, 3,858 square feet, 0.43-acre lot. This places it above the ZIP 78731 single-family closed-sale median price of $1,209,000 (ZIP 78731 geography · single-family closed sales · median sale price · trailing 12 months as of Sep 24, 2026).
5307 Tortuga TRL is zoned for Austin ISD with assigned schools: Highland Park (elementary), Lamar (Austin ISD) (middle), McCallum (high). School assignments should be verified directly with the district.
5307 Tortuga TRL is a Residential built in 2001 featuring 4 bedrooms, 4 full, 2 half bathrooms, 3,858 square feet, 0.43-acre lot.
5307 Tortuga TRL is listed by Kuper Sotheby's Int'l Realty. Keenan Group at Compass presents this IDX listing and provides the accompanying market analysis using MLS Grid / Unlock MLS data reviewed as of Sep 25, 2026.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
7 records on file
Every recorded listing, sale, and lease at 5307 Tortuga TRL, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listed with current price, original ask, and market time.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025+26.3% | — | $2,620,133 | — | — |
2024-10.0% | — | $2,074,827 | $2,513,385 | $327,968 |
2023+10.8% | — | $2,305,332 | $1,306,800 | $768,027 |
2022 | — | $2,081,200 | $1,306,800 | $998,532 |
Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility. Ratings from GreatSchools.org.
20% ($970K)
Adjustable assumption - not a lending recommendation.
$4,850,000
Luxury property intelligence
A sourced read on Mount Bonnell Shores pricing, timing, and property scale. No automated valuation claim.
List price
$4,850,000
Price per sqft
$1,257/sqft
Vs. Neighborhood guide reference price
Not available
Days on market
72 days
Original to current
No verified reduction
$4.9M original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Sep 25, 2026.
Request Private Market AnalysisZIP-level neighborhoods, schools, lifestyle, and Austin market context
Active 78731 listings and Northwest Hills market context
District guide, nearby schools, and homes by attendance area
Private Austin CMA, TCAD context, and pricing strategy
Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
This page does not assume a mortgage rate or publish a monthly payment for 5307 Tortuga TRL. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Sep 25, 2026, 5307 Tortuga TRL is offered at $4,850,000. The current MLS snapshot shows 60 active listings in 78731. Keenan Group has completed 89 verified transactions in 78731 within its 1,000+ completed transactions and $1B+ career volume across Austin.
The MLS listing marks 5307 Tortuga TRL as waterfront. The reported waterfront feature is Waterfront. Confirm shoreline access, dock rights, and floodplain status from current property documents during due diligence.
The MLS listing reports HOA or association dues of $160 annual for 5307 Tortuga TRL. It does not establish included amenities, services, rules, reserves, or current assessments; verify those items in current association documents.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
Car-Dependent
No Nearby Transit
Somewhat Bikeable
Walk Score measures walkability based on distance to amenities. Transit Score measures public transportation access. Bike Score measures bikeability based on bike infrastructure and terrain.
20 events on record
Current Price
$4,850,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025+26.3% | — | $2,620,133 | — | — |
2024-10.0% | — | $2,074,827 | $2,513,385 | $327,968 |
2023+10.8% | — | $2,305,332 | $1,306,800 | $768,027 |
2022 | — | $2,081,200 | $1,306,800 | $998,532 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
| Address | Sold Price |
|---|---|
| 6428 Williams Ridge Way | $2.50M |
| 6109 Mountain Villa Cir | $3.20M |
| 7218 Valburn DR | $2.96M |
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